“Flood Zone” by Dana Mentink.
Mia Sandoval's friend is murdered--and the single mother is a suspect. Her only ally is search-and-rescue worker Dallas Black. Working with the secretive Dallas, Mia discovers he's as complicated as the murder they're forced to investigate. Yet as a flood ravages their small Colorado town, a killer is determined that Mia, Dallas and their evidence get swept away to a watery grave.
“To Save Her Child” by Margaret Daley.
When a young boy goes missing from wilderness day camp, Alaskan search-and-rescue worker Josiah Witherspoon is on the case. The former marine promises to find the child and return him to his mother. But Ella Jackson has a secret that could put them all in danger. Ella and Josiah are ready to risk their lives to save her son, but will they risk their hearts?